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QJEEM03Ch8844: JEE Main 2003 Chemistry - Class 11 JEEM03Ch8844 Solution: Which one of the following process will produce hard water?

Which one of the following process will produce hard water?

Multiple Choice Options

  • A Saturation of water with MgCO3
  • B Saturation of water with CaSO4
  • C Addition of Na2SO4 to water
  • D Saturation of water with CaCO3

Step-by-Step Verified Solution

Permanent hardness of water is due to chlorides and sulphates of calcium and magnesium i.e. CaCl2,CaSO4,MgCl2 and MgSO4.

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